bool CSSParser::parseColor(RGBA32& color, const String& string, bool strict)
{
if (string.isEmpty())
return false;
// The regular color parsers don't resolve all named colors, so explicitly
// handle these first.
Color namedColor;
if (namedColor.setNamedColor(string)) {
color = namedColor.rgb();
return true;
}
RefPtrWillBeRawPtr<CSSValue> value = CSSParserFastPaths::parseColor(string, !strict);
// TODO(timloh): Why is this always strict mode?
if (!value)
value = parseSingleValue(CSSPropertyColor, string, strictCSSParserContext());
if (!value || !value->isPrimitiveValue())
return false;
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value.get());
if (!primitiveValue->isRGBColor())
return false;
color = primitiveValue->getRGBA32Value();
return true;
}
bool CSSParser::parseColor(RGBA32& color, const String& string, bool strict)
{
if (string.isEmpty())
return false;
// First try creating a color specified by name, rgba(), rgb() or "#" syntax.
if (CSSPropertyParser::fastParseColor(color, string, strict))
return true;
// In case the fast-path parser didn't understand the color, try the full parser.
RefPtrWillBeRawPtr<MutableStylePropertySet> stylePropertySet = MutableStylePropertySet::create();
// FIXME: The old CSS parser is only working in strict mode ignoring the strict parameter.
// It needs to be investigated why.
if (!parseValue(stylePropertySet.get(), CSSPropertyColor, string, false, strictCSSParserContext()))
return false;
RefPtrWillBeRawPtr<CSSValue> value = stylePropertySet->getPropertyCSSValue(CSSPropertyColor);
if (!value || !value->isPrimitiveValue())
return false;
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value.get());
if (!primitiveValue->isRGBColor())
return false;
color = primitiveValue->getRGBA32Value();
return true;
}
Color StyleBuilderConverter::convertSVGColor(StyleResolverState& state, CSSValue* value)
{
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
if (primitiveValue->isRGBColor())
return primitiveValue->getRGBA32Value();
ASSERT(primitiveValue->getValueID() == CSSValueCurrentcolor);
return state.style()->color();
}
// The color will only be changed when string contains a valid CSS color, so callers
// can set it to a default color and ignore the boolean result.
bool BisonCSSParser::parseColor(RGBA32& color, const String& string, bool strict)
{
// First try creating a color specified by name, rgba(), rgb() or "#" syntax.
if (CSSPropertyParser::fastParseColor(color, string, strict))
return true;
BisonCSSParser parser(strictCSSParserContext());
// In case the fast-path parser didn't understand the color, try the full parser.
if (!parser.parseColor(string))
return false;
CSSValue* value = parser.m_parsedProperties.first().value();
if (!value->isPrimitiveValue())
return false;
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
if (!primitiveValue->isRGBColor())
return false;
color = primitiveValue->getRGBA32Value();
return true;
}
bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const CSSPrimitiveValue& primitiveValue)
{
// FIXME: consider other types.
if (primitiveValue.isNumber() || primitiveValue.isPercentage() || primitiveValue.isAngle() || primitiveValue.isRGBColor() || primitiveValue.isURI())
return false;
if (primitiveValue.isLength())
return primitiveValue.isFontRelativeLength() || primitiveValue.isViewportPercentageLength();
if (primitiveValue.isCalculated()) {
CSSLengthArray lengthArray(CSSPrimitiveValue::LengthUnitTypeCount);
primitiveValue.accumulateLengthArray(lengthArray);
return lengthArray[CSSPrimitiveValue::UnitTypeFontSize] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeFontXSize] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeZeroCharacterWidth] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeViewportWidth] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeViewportHeight] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeViewportMin] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeViewportMax] != 0;
}
if (Pair* pair = primitiveValue.getPairValue()) {
return interpolationRequiresStyleResolve(*pair->first())
|| interpolationRequiresStyleResolve(*pair->second());
}
if (Rect* rect = primitiveValue.getRectValue()) {
return interpolationRequiresStyleResolve(*rect->top())
|| interpolationRequiresStyleResolve(*rect->right())
|| interpolationRequiresStyleResolve(*rect->bottom())
|| interpolationRequiresStyleResolve(*rect->left());
}
if (Quad* quad = primitiveValue.getQuadValue()) {
return interpolationRequiresStyleResolve(*quad->top())
|| interpolationRequiresStyleResolve(*quad->right())
|| interpolationRequiresStyleResolve(*quad->bottom())
|| interpolationRequiresStyleResolve(*quad->left());
}
if (primitiveValue.isShape())
return interpolationRequiresStyleResolve(*primitiveValue.getShapeValue());
return (primitiveValue.getValueID() != CSSValueNone);
}
bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const CSSPrimitiveValue& primitiveValue)
{
// FIXME: consider other types.
if (primitiveValue.isNumber() || primitiveValue.isPercentage() || primitiveValue.isAngle() || primitiveValue.isRGBColor() || primitiveValue.isURI())
return false;
if (primitiveValue.isLength())
return primitiveValue.isFontRelativeLength() || primitiveValue.isViewportPercentageLength();
if (primitiveValue.isCalculated()) {
CSSLengthArray lengthArray(CSSPrimitiveValue::LengthUnitTypeCount);
primitiveValue.accumulateLengthArray(lengthArray);
return lengthArray[CSSPrimitiveValue::UnitTypeFontSize] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeFontXSize] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeRootFontSize] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeZeroCharacterWidth] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeViewportWidth] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeViewportHeight] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeViewportMin] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeViewportMax] != 0;
}
CSSValueID id = primitiveValue.getValueID();
bool isColor = ((id >= CSSValueAqua && id <= CSSValueTransparent)
|| (id >= CSSValueAliceblue && id <= CSSValueYellowgreen)
|| id == CSSValueGrey);
return (id != CSSValueNone) && !isColor;
}